30 Opera Browser Extensions for Web Designers and Developers

by Jake Rocheleau

on April 28, 2014

in design

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The Opera web browser is a great choice for reliable cross-platform Internet surfing. It’s typically quicker than Firefox and offers a longer development history than Chrome. The Opera team works hard to create an expansive browser with plenty of extra features to keep users coming back. And it’s fair to say the people who use Opera definitely enjoy the program.

This gallery is dedicated to extensions for Opera which can help you design, take apart, reconstruct, or analyze websites. Both designers and developers will find something useful in this collection. Whether you’re a long-time user or might just try Opera on a whim, this post has an extension for every web enthusiast.

Validator

w3c validator html opera browser extension

HTML Color Coder

html color code picker hex opera extension

Web Developer

web developer browser opera extension tools

User-Agent Switcher

user agent switcher opera browser extension

Live HTTP Headers

live http headers browser opera extension

Color Picker Extension

color picker extension opera design browser

Source

opera view source syntax dom website development extension

Edit the Page

edit html css page opera extension development

OMeasure!

omeasure opera extension plugin measuring width

Scripter

scripter script inclusion checker opera extension

Firebug Lite

firebug lite button browser opera extension

Auto-Ipsum

auto ipsum lorem opera browser extension design

Responsive Design Tester

test web design responsive layout checker extension for opera

JsonViewer

json viewer extension reader syntax extension

Xdebug

opera extension script xdebug php development ide

Readable JavaScript

readable javascript extension opera web browser

ScriptKeeper

scriptkeeper extension no script blocking opera

AutoPager

autopager auto pagination extension browser opera

Edit This Cookie

extension opera browser edit website cookies

MakeLinks

makelinks display popup previews for hyperlinks

Images Dimensions

image dimension checker preview extension opera

Encode-Decode HTML

encode decode html entities extension opera browser

URL Encoder/Decoder

url encode decode slashes extension browser opera

Server Details

server details website hosting extension opera

Tab Accordion

tab accordion extension opera browser design

Ghostery

website checker scripts ads ghostery opera extension

Shorten URL

opera extension popup browser toolbar shorten url

.no { CSS }

no css opera extension details

Script Weeder

script weeder cleaning js javascript

The Developer Briefcase

the developer briefcase opera browser extension

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About Jake Rocheleau

Jake is a digital researcher and writer on many popular design magazines. He frequently writes on topics including web design, user experience, mobile apps, and project management. You can find him all throughout Google and tweeting @jakerocheleau. Connect with Jake on google+